COLA
n.— «The commissioners’ decision to give the employees a cost-of-living adjustment—a COLA in the parlance of the budget writers—was prompted by the improved revenue picture.» —“Calvert Includes Pay Raise In Budget” by Raymond McCaffrey Washington Post June 10, 2004. (source: Double-Tongued Dictionary)
Further reading
A flashlight doesn’t flash. It provides a steady beam of light. So why is it called a flashlight? The earliest versions lit up only briefly before the batteries gave out and required a recharge, so they were literally “flash lights...